605564321371 has 2 divisors, whose sum is σ = 605564321372. Its totient is φ = 605564321370.

The previous prime is 605564321303. The next prime is 605564321413. The reversal of 605564321371 is 173123465506.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605564321371 is a prime.

It is not a weakly prime, because it can be changed into another prime (605564322371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302782160685 + 302782160686.

It is an arithmetic number, because the mean of its divisors is an integer number (302782160686).

Almost surely, 2^605564321371 is an apocalyptic number.

605564321371 is a deficient number, since it is larger than the sum of its proper divisors (1).

605564321371 is an equidigital number, since it uses as much as digits as its factorization.

605564321371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

Adding to 605564321371 its reverse (173123465506), we get a palindrome (778687786877).

The spelling of 605564321371 in words is "six hundred five billion, five hundred sixty-four million, three hundred twenty-one thousand, three hundred seventy-one".